Product Description
Product Description
Ball Screw is made of screw and ball nut. It’s function is to turn the rotary motion into linear motion which is a future extension and development of ball screw. The significance of the development is to move into a rolling bearing from sliding action. With little frication, Ball Screw are widely used into various industrial equipment and precision instruments.
| Product Name | China precision ball screw assembly lead screw 12mm-80mm |
| Model No. | lead screw 12mm-80mm |
| Feature | 1.High-speed operation 2.Low friction and nois 3.High precision, duration, and reliability 4.Smooth movement 5.High efficiency of transferring 6.No gap and preloading |
| End machining | 1. We can make end machining or without end machining ball screw. 2.For end machining ball screw, if you have special requirement, please show us the drawing. 3. Moreover, we also make the components of ball screw, such as ball screw nut housing, ball screw end support, couplings, etc. |
| Necessary Parts | With end machining: Ball screw + ball nut + nut bracket + ball screw support + coupling; Without end machining: Ball screw + ball nut + nut bracket |
| Applications | 1.Machine tools 2.Industrial machinery 3.Printing, paper-processing, automatic machines, textiles, etc. 4.Electronic machinery 5.Robot, measuring instruments, medical equipment, X-Y table, factory automation equipment 6.Transport machinery |
| OEM&Customzied | We can make the same size as other famous brand ball screw; If you need, please feel free to contact and show us with the drawing while inquiry. Thank you. |
JLD Ball Screw Working Principle:
On the screw and nut processing line with arc spiral groove, when they suit together, they form the spiral groove, and the race was full of ball bearing.
The ball is along the groove rolling, and the back bead tube as the cycle of circular motion.
Back bead also ACTS as blocking bead on both ends of the tube, in case the ball along the fell out of the race.
JLD Ball Screw Model No. List:
| Pitch 4mm | SFU1204, SFU1604, SFU2004, SFU2504, SFU3204 |
| Pitch 5mm | SFU1605, SFU2005, SFU2505, SFU3205, SFU4005 |
| Pitch 6mm | SFU1610, SFU2510, SFU3210, SFU4571, SFU5571, SFU6310, SFU8571 |
| Double Nut | DFU1604,DFU1605, DFU2005, DFU2505, DFU2510, DFU3205, DFU3210, DFU4005, DFU4571, DFU5571 |
| SFU Ball Screw Model No. |
|
SFU1204, SFU1604, SFU1605, SFU1610, SFU2004, SFU2005, SFU2504, SFU2505, SFU2506, |
| DFU Ball Screw Model No. |
|
DFU1604, DFU1605, DFU1610, DFU2004, DFU2005, DFU2504, DFU2505, DFU2506, DFU2508, |
| Ball Screw End Supports Model No. |
| BKBF12, BKBF15, BKBF17, BKBF20, BKBF25, BKBF30 |
| Ball Screw Nut Housings Model No. |
| DSG16H, DSG20H, DSG25H, DSG32H |
JLD ball Screw Applications:
Electronic machinery: measuring instruments, x-y platform, medical equipment, factory automation equipment, PCB drilling machine, IC packaging machine, semiconductor equipment, factory automation equipment,Etc.
Precision machine tool: milling machine, grinding machine, discharge machine, cutter grinding machine, gear machine, drilling machine, planer
CNC machinery: CNC machining center, CNC lathe, CNC milling machine, CNC electric discharge machine, CNC grinding machine, CNC wire cutting machine, CNC drilling machine, machine…
Conveying machinery: material handling equipment, nuclear reactor, high actuator…
Aerospace industry: aircraft flap, airport load equipment…
Other industry applications: such as antenna using the actuator, the valve switch device…
JLD Ball Screw Dimensions:
About Us
HangZhou City CHINAMFG Bearing Co., Ltd. Is a professional manufacturer of linear motion products since 2007. We specialized in producing linear guides, ball screws, linear shafts, linear motion slide units, linear bearings, rod ends bearings, cam follower bearings/Needle roller bearing, precision linear module with good quality and competitive price. For OEM service, the products can be Customized according to customers’ needs for standard or non-standard bearings.
Our Service
Our Quality:
Quality is the life . We use only the best quality material to ensure the standard of our product range is of the highest caliber.
All products we sold out are strictly selected and tested by our QC department.
Warranty:
We provide one year warranty for all products.
Payment:
We accept payment via TT (Bank transfer), Paypal,Western Union, and Money Gram.
We accept bank transfer for large orders. For small order, you’d better pay via Paypal,Western union or Money Gram
Shipping:
We offer as many shipping options as possible, including DHL, UPS, TNT, FEDEX and EMS, Airfreight and by Sea.
FAQ
1. Are you factory or trading company?
We are factory with most competitive price and high quality. We are Alibaba Gold Supplier seller since 2011.
2. Customized accepted?
Yes, of course, such as the bearing brand of Japanese, USA, Sweden and so on are available. If that, please send us the drawing of the type with the picture will be most appreciated.
3. Can I get some samples or more discounts?
Yes, just to contact us and we are honored to offer samples to you for checking.
4. How about the time of delivery ?
For the products in stock, it will be sent out in 1-3 days; Or it will be sent out 3-30 days according to the quantity.
5. What’s your products main line?
Since 2007, we specialized in producing all kinds of linear shaft, linear bearing, flange bearing, ball screw, linear guide way, linear motion ball bearing, needle roller bearing, etc.
6. How can I get a quotation?
Normally, we will quote within 24 hours. If you are in urgent, please give a call or let us know in your email with the details.
We need information bellow:
1.The Model Number/ the detail drawing of non-standard bearing;
2.Quantity;
3.Material;
4.Surface treatment;
5.Any special packing or other requirements.
Our Main Products
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Precision: | C7 |
|---|---|
| Screw Diameter: | 12mm-80mm |
| Flange: | With Flange |
| Nut Number: | Single |
| Rows Number: | 4-Row |
| Nut Type: | End Cap |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
|
|
|---|
How does the design of lead screws impact their performance in different environments?
The design of lead screws plays a crucial role in determining their performance in different environments. Lead screws are mechanical devices used to convert rotational motion into linear motion. They consist of a screw (also known as the lead screw or power screw) and a nut that engages with the screw’s threads. The performance of lead screws can be influenced by various design factors, including the thread profile, lead angle, material selection, and lubrication.
Thread Profile: The thread profile of a lead screw refers to the shape of the threads on the screw and nut. Common thread profiles include square, Acme, and ball screw. The choice of thread profile affects the efficiency, backlash, and load-carrying capacity of the lead screw. For example, ball screws generally offer higher efficiency and lower backlash compared to square or Acme threads, making them suitable for applications requiring high precision and efficiency.
Lead Angle: The lead angle of a lead screw is the angle between the helix and the axis of the screw. It determines the linear distance traveled by the nut for each revolution of the screw. Lead angle influences the mechanical advantage, speed, and load-carrying capacity of the lead screw. Steeper lead angles provide higher mechanical advantage but may reduce the speed and load capacity. Shallower lead angles, on the other hand, offer higher speed but lower mechanical advantage.
Material Selection: The choice of materials for lead screws depends on the specific environmental conditions and application requirements. Factors such as mechanical strength, wear resistance, corrosion resistance, and temperature resistance need to be considered. Common materials for lead screws include stainless steel, carbon steel, and bronze. Stainless steel is often preferred for its corrosion resistance, while bronze may be chosen for its self-lubricating properties.
Lubrication: Proper lubrication is essential for the smooth operation and longevity of lead screws. Lubricants reduce friction and wear between the screw and nut, improving efficiency and reducing the chances of seizing or galling. The selection of lubricants depends on the operating conditions, such as temperature, speed, and load. For high-temperature environments, specialized high-temperature lubricants may be required.
In different environments, the design considerations for lead screws may vary. For example:
- In high-temperature environments, the selection of materials with high-temperature resistance becomes critical to prevent premature failure or deformation of the lead screw.
- In corrosive environments, materials with good corrosion resistance, such as stainless steel or specialized coatings, should be chosen to protect the lead screw from chemical degradation.
- In applications where precision is crucial, such as CNC machines or robotics, lead screws with low backlash and high efficiency, such as ball screws, are often preferred.
In summary, the design of lead screws, including thread profile, lead angle, material selection, and lubrication, significantly impacts their performance in different environments. It is important to consider the specific requirements of the application and environmental conditions to choose the most suitable lead screw design for optimal performance and longevity.
What are the signs that indicate a need for lead screw replacement or maintenance, and how can they be diagnosed?
Lead screws, like any mechanical component, may require replacement or maintenance over time due to wear, damage, or performance degradation. Recognizing the signs of potential issues and diagnosing them accurately is essential for timely intervention. Here are some common signs that indicate a need for lead screw replacement or maintenance, along with diagnostic methods:
- Increased Backlash: An increase in backlash, which is the clearance or play between the lead screw and nut, can signify wear or mechanical issues. Excessive backlash can result in decreased accuracy and precision. Diagnosis: Backlash can be measured using specialized tools, such as dial indicators or laser displacement sensors. Comparing the current backlash with the manufacturer’s specifications can help determine if maintenance or replacement is necessary.
- Unusual Noise or Vibration: Unusual noises, vibrations, or excessive mechanical resonance during operation can indicate misalignment, worn components, or inadequate lubrication. Diagnosis: Careful observation and listening during operation can help identify abnormal noise or vibration. Inspecting the lead screw for signs of wear, checking alignment, and ensuring proper lubrication can help diagnose the underlying issue.
- Reduced Accuracy or Repeatability: If a lead screw system starts exhibiting decreased accuracy or repeatability in positioning, it may indicate wear, misalignment, or damaged components. Diagnosis: Conducting precision tests or comparing the system’s actual position with the desired position can help identify any inconsistencies. Inspecting the lead screw, nut, or associated components for signs of wear or damage can provide further insights.
- Increased Friction or Sticking: If the lead screw system experiences increased friction or sticking during operation, it may indicate inadequate lubrication, contamination, or worn components. Diagnosis: Observing the smoothness of the lead screw’s movement and checking for signs of lubrication deficiency or contamination can help diagnose the issue. Cleaning the lead screw and applying appropriate lubrication may resolve minor friction-related problems.
- Visible Wear or Damage: Visual inspection of the lead screw and nut may reveal signs of wear, corrosion, or physical damage. This can include worn threads, scoring, pitting, or deformation. Diagnosis: Regular visual inspection of the lead screw system is important to identify visible signs of wear or damage. If significant wear or damage is observed, replacement or repair may be necessary.
- Inconsistent or Jerky Movement: If the lead screw system exhibits inconsistent or jerky movement instead of smooth and controlled motion, it may indicate misalignment, binding, or damaged components. Diagnosis: Careful observation of the system’s movement, checking for misalignment, and inspecting the lead screw, nut, or associated bearings for signs of binding or damage can help diagnose the issue.
It’s important to note that proper diagnosis and decision-making regarding lead screw replacement or maintenance may require the expertise of qualified technicians or engineers familiar with the specific application and system requirements. Following manufacturer guidelines, maintenance schedules, and seeking professional assistance can help ensure accurate diagnosis and appropriate actions to maintain or replace the lead screw when necessary.
What is a lead screw, and how is it used in mechanical applications?
A lead screw is a type of threaded shaft used in mechanical applications to convert rotary motion into linear motion or vice versa. It consists of a screw with a helical thread and a matching nut with corresponding threads. The lead screw and nut are designed in such a way that when the screw is rotated, it moves the nut along its length, resulting in linear motion.
The primary purpose of a lead screw is to transmit motion and force between rotating and linearly translating components in a mechanical system. It offers precise control over linear movement and is commonly used in various applications, including but not limited to:
- Precision Positioning: Lead screws are widely used in applications that require precise positioning, such as CNC machines, 3D printers, and robotic systems. By coupling the lead screw to a motor or handwheel, the rotational motion can be translated into precise linear movement, allowing for accurate positioning of components or tools.
- Actuation and Adjustment: Lead screws are often utilized for actuation and adjustment mechanisms in equipment and machinery. They can be employed to raise or lower platforms, adjust the height of work surfaces, control the position of tool heads, or move components along a linear path. Lead screws provide a straightforward and reliable means of achieving controlled linear motion in these applications.
- Load Transfer: Lead screws can also serve as load-bearing elements in mechanical systems. They can transmit axial loads and handle tension or compression forces, making them suitable for applications that require smooth and controlled lifting or lowering of heavy loads. In such cases, the lead screw is often combined with thrust bearings or other supporting elements to handle the applied loads.
- Manual and Handwheel Operations: Lead screws are commonly used in manual and handwheel-operated systems. By incorporating a handle or handwheel, the user can rotate the lead screw directly, enabling manual adjustment or movement of components. This is frequently seen in applications like manual stage positioning, height adjustment mechanisms, or manual clamping systems.
- Power Transmission: In some cases, lead screws can be employed for power transmission purposes. While they are not as efficient as other transmission methods like gears or belts, lead screws can be used to transfer torque between rotating shafts and linearly translating components. This is often seen in applications where the primary focus is on converting rotational motion into linear motion rather than optimizing power transmission efficiency.
Lead screws come in various designs, including single-start and multi-start threads, different thread pitches, and varying lead screw and nut materials. The selection of a lead screw depends on the specific requirements of the application, such as load capacity, desired speed, precision, and environmental conditions. Factors like backlash, efficiency, and maintenance requirements should also be considered when choosing a lead screw for a particular mechanical application.
editor by CX 2024-03-01